References in classic literature ?
There was Barnacle junior, also from the Circumlocution Office, leaving the Tonnage of the country, which he was somehow supposed to take under his protection, to look after itself, and, sooth to say, not at all impairing the efficiency of its protection by leaving it alone.
Having delivered this oration with a great many waves and flourishes of the hand, Mr Swiveller abruptly thrust the head of his cane into his mouth as if to prevent himself from impairing the effect of his speech by adding one other word.
People are advised not to mix driving and alcohol, but we also need to make sure people understand the dangers of combining driving with impairing medications.